403023 has 4 divisors (see below), whose sum is σ = 537368. Its totient is φ = 268680.

The previous prime is 403003. The next prime is 403037. The reversal of 403023 is 320304.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 403023 - 2⁵ = 402991 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67168 + ... + 67173.

It is an arithmetic number, because the mean of its divisors is an integer number (134342).

2⁴⁰³⁰²³ is an apocalyptic number.

403023 is a deficient number, since it is larger than the sum of its proper divisors (134345).

403023 is a wasteful number, since it uses less digits than its factorization.

403023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134344.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 403023 is about 634.8409249568. The cubic root of 403023 is about 73.8657781211.

Adding to 403023 its reverse (320304), we get a palindrome (723327).

The spelling of 403023 in words is "four hundred three thousand, twenty-three", and thus it is an iban number.